#!/usr/bin/env bash

#  helper script: Downloads MemTest86+ and patches it
#
#	Copyright (C) 2014, 2015, 2020, 2021 Leah Rowe <info@minifree.org>
#	Copyright (C) 2015 Joseph Michael Thompson <jmt@josepht.me>
#	Copyright (C) 2015 Klemens Nanni <contact@autoboot.org>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

usage()
{
	progname="./download memtest86plus"
	printf "Usage:\n"
	printf "\t%s         # %s\n" \
	       "${progname}" \
	       "Download MemTest86+"
	printf "\t%s --help  # %s\n" \
	       "${progname}" \
	       "Prints this help"
}

if [ $# -ne 0 ] ; then
	usage
	exit 0
fi

# Get the last version of MemTest86+ used, apply patches, build it.

# Remove the old version that may exist
# ------------------------------------------------------------------------------

printf "Downloading MemTest86+\n"

rm -Rf "memtest86plus/"

git clone https://review.coreboot.org/memtest86plus.git

(
cd "memtest86plus/"
git reset --hard a78401b9704cfdd49c89bfb31d2df08f60521d0b

for patchfile in ../resources/memtest86plus/patch/*; do
	if [ ! -f "${patchfile}" ]; then
		continue
	fi
	git am "${patchfile}"
done

rm -Rf .git*
)

printf "\n\n"
